eto sad su tu
eto sad su tu .
e̞ t̪̻ o̞ WORD_BOUNDARY s̪̻ ä d̪̻ WORD_BOUNDARY s̪̻ u WORD_BOUNDARY t̪̻ u WORD_BOUNDARY
e t o WORD_BOUNDARY s a d WORD_BOUNDARY s u WORD_BOUNDARY t u WORD_BOUNDARY . WORD_BOUNDARY